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in Digestion and Absorption by (51.0k points)
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Though the bile juice of liver has no digestive enzyme but is very essential for proper digestion of food, especially of the fats. Discuss the following? 

(a) What is composition of bile? 

(b) How it helps in digestion of fats and other nutrients of food? 

(c) How it helps in absorption of fats?

1 Answer

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The bile contains bile pigments (bilirubin and biliverdin) as the break down products of hemoglobin of dead RBCs, bile salts, cholesterol and phospholipids but has no enzymes. Bile helps in emulsification of fats. Bile salts reduce the surface tension of fat droplets and break them into small globules. Bile also activates lipases to digest lipids.

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